Standard Lemma guide

orthocenter

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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rhymes with -ɛntə(ɹ)

noun

Meaning 1

One of the centers (UK:centres) of a triangle, defined as being the intersection of its three altitudes; in an acute triangle, it is inside the triangle; in an obtuse triangle, it is outside the triangle; in a right-angled triangle it is the vertex opposite the hypotenuse and so is on the triangle.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English ortho- Proto-Indo-European *ḱent-der. Ancient Greek κέντρον (kéntron)der. Latin centrumder. Middle French centrebor. Middle English center English center English orthocenter From ortho- + center.

Across languages

Translations

21 source translations are retained for this English entry.

Basque: ortozentro — Translations
Catalan: ortocentre — Translations
Chinese Cantonese: 垂心 (seoi4 sam1) — Translations
Chinese Mandarin: 垂心 (chuíxīn) — Translations
Finnish: ortokeskus — Translations
Finnish: korkeusjanojen leikkauspiste — Translations
French: orthocentre — Translations
Galician: ortocentro — Translations
German: Orthozentrum — Translations
Greek: ορθόκεντρο (orthókentro) — Translations
Ido: ortocentro — Translations
Italian: ortocentro — Translations
Japanese: 垂心 (suishin) — Translations
Korean: 수심 (susim) — Translations
Polish: ortocentrum — Translations
Portuguese: ortocentro — Translations
Romanian: ortocentru — Translations
Russian: ортоце́нтр (ortocéntr) — Translations
Spanish: ortocentro — Translations
Ukrainian: ортоце́нтр (ortocéntr) — Translations
Vietnamese: trực tâm — Translations

Word forms

Inflections and variants

orthocenters — plural
orthocentre — alternative

Word family

Derived and related words

Derived: none provided

Related: none provided

Semantic map

Other relationships

Sources

Where this information comes from

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Real reading context

Meaning relationships

orthocenter in complete knowledge articles